CN110968271A - High-performance data storage method, system and device - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/062—Securing storage systems
- G06F3/0622—Securing storage systems in relation to access
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0656—Data buffering arrangements
Abstract
The invention discloses a high-performance data storage method, a system and a device, wherein the method comprises the following steps: a data writing process and a data reading process; the data writing process comprises the following steps: the IO interface sends a data writing request to the CPU, and the CPU writes data into the memory, the SSD and the disk array respectively; the data reading process comprises the following steps: and the IO interface sends the data reading request to the CPU, and the CPU reads the data from the memory, the SSD or the disk array and returns the data to the IO interface. In addition, the invention also discloses the concrete content of the system and the device matched with the storage method. The invention adopts 2 SSDs to form RAID1, the data has backup, the writing speed is the disk array speed + the SSD speed, compared with the traditional technology, the data reliability is improved, and under the condition of improving the speed, the data loss risk is avoided.
Description
Technical Field
The invention belongs to the IT field, and particularly relates to a high-performance data storage method, a system and a device.
Background
As information in life is converted into numbers, a container having a storage capacity is required to store the numbers. Data is recorded in a format on a storage medium inside or outside the computer, such as a general content bar, a mechanical hard disk, and the like.
The current data storage is difficult to achieve high-performance storage, such as common storage technologies including:
storage technique 1: a few MB of read-write cache is added in each hard disk, and part of random read-write is converted into sequential read-write. The method has the following defects: (1) the cache is too small to convert only part of the random reads to sequential reads. (2) The cache is cached in a single hard disk, is not a global cache, and has small influence on the overall performance of the disk array.
Storage technique 2: and a memory with a standby power function is used as a global cache of the disk array. The method has the following defects: (1) a memory power backup is required. (2) Data in the memory is not backed up, and the data can be lost when the memory fails. (3) When the standby power is exhausted, the data in the memory is lost.
Storage technique 3: the SSD is employed to constitute a disk array. The method has the following defects: all disks in the disk array adopt SSD, so that the cost is high.
Disclosure of Invention
The present invention is directed to overcome the deficiencies of the prior art and to provide a method, system and apparatus for high performance data storage.
The purpose of the invention is realized by the following technical scheme:
a high performance data storage method, comprising: a data writing process and a data reading process;
the data writing process comprises the following steps: the IO interface sends a data writing request to the CPU, and the CPU writes data into the memory, the SSD and the disk array respectively;
the data reading process comprises the following steps: and the IO interface sends the data reading request to the CPU, and the CPU reads the data from the memory, the SSD or the disk array and returns the data to the IO interface.
Preferably, the data writing process includes:
the IO interface sends a data writing request to the CPU, and the CPU receives data into the memory firstly;
the CPU writes the data received by the memory to the SSD cache and the disk array at the same time;
and after writing the data into the SSD cache or the disk array, the CPU returns a command that the data is successfully written to the IO interface. Preferably, the data reading process includes:
after the IO interface sends the data reading request to the CPU, the following operations are executed:
CPU searches whether there is buffer data in memory, if there is buffer data, it returns directly;
the CPU searches whether cache data exist in the SSD or not, and if the cache data exist, the cache data are directly returned;
and the CPU reads data from the disk array and returns the data to the IO interface.
Preferably, the method further comprises a data sorting process, wherein the data sorting process comprises the steps that the CPU judges that the system is in an idle state, and reads and writes the fragmented files into the SSD from the disk array. When the system is idle, the CPU reads out the file fragments in the disk array into the SSD, and then sequentially writes the files into the disk array, so that the random reading probability is reduced.
Preferably, the data sorting process further includes sorting the fragmented files written into the SSD into large files by the CPU, and sequentially writing the large files into the disk array.
Preferably, two SSDs are adopted to form RAID1 and used as a data global write cache;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow. Because with RAID1, data 1+1 is backed up, a single SSD failure will not lose data.
A high-performance data storage system comprises an IO interface, a CPU and a storage device, wherein the storage device comprises a memory, a disk array and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; two SSDs are adopted to form a RAID1 and used as a data global write cache; because of the RAID1, data 1+1 backup, a single SSD fails without losing data;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
As a preferred mode, the storage system uses the memory and the SSD as two-level read caches, so that the data reading rate is memory hit rate × memory bandwidth + SSD hit rate × SSD bandwidth + disk array bandwidth.
A high-performance data storage device comprises an IO interface, a CPU and a storage device, wherein the storage device comprises a memory, a disk array and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; the nonvolatile cache adopts 2 SSDs to form RAID1 as a data global write cache; data are backed up, so that the reliability is improved;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
As a preferred mode, the storage device uses the memory and the SSD as two-level read caches, so that the data reading rate is memory hit rate × memory bandwidth + SSD hit rate × SSD bandwidth + disk array bandwidth.
The invention has the beneficial effects that:
1. the nonvolatile cache adopts 2 SSDs to form RAID1, data is backed up, and compared with the traditional technology, the data reliability is improved, and the risk of data loss is avoided.
2. When data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow. The write rate of the traditional technology is the maximum write speed of the disk array, on one hand, the sequential write is selected to the disk array, the write speed of the disk array is improved, on the other hand, the SSD cache synchronous write is added, and the write rate is the disk array rate plus the SSD rate.
3. The memory and the SSD are used as two-stage read caches, so that the data reading rate is memory hit rate, memory bandwidth, SSD hit rate, SSD bandwidth and disk array bandwidth. The traditional method adopts a memory as a cache, the memory space is small, the hit rate is low, and the speed is the memory hit rate, namely the memory bandwidth and the disk array bandwidth.
4. Conventional techniques risk losing data if the disk data storage structure is automatically optimized. When the system is idle, the CPU reads the file fragments in the disk array into the SSD, and then sequentially writes the files into the disk array, so that the random reading probability is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an architecture diagram of a memory system of the present invention;
FIG. 2 is a schematic diagram of a data writing process;
FIG. 3 is a schematic diagram of a data reading process;
fig. 4 is a schematic diagram of a data sorting process.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example one
A high performance data storage method, comprising: a data writing process and a data reading process;
the data writing process comprises the following steps: the IO interface sends a data writing request to the CPU, and the CPU writes data into the memory, the SSD and the disk array respectively;
the data reading process comprises the following steps: and the IO interface sends the data reading request to the CPU, and the CPU reads the data from the memory, the SSD or the disk array and returns the data to the IO interface.
As shown in fig. 2, the data writing process includes:
the IO interface sends a data writing request to the CPU, and the CPU receives data into the memory firstly;
the CPU writes the data received by the memory to the SSD cache and the disk array at the same time;
and after writing the data into the SSD cache or the disk array, the CPU returns a command that the data is successfully written to the IO interface.
As shown in fig. 3, the data reading process includes:
after the IO interface sends the data reading request to the CPU, the following operations are executed:
CPU searches whether there is buffer data in memory, if there is buffer data, it returns directly;
the CPU searches whether cache data exist in the SSD or not, and if the cache data exist, the cache data are directly returned;
and the CPU reads data from the disk array and returns the data to the IO interface.
As shown in fig. 4, the present embodiment further includes a data sorting process, where the data sorting process includes that the CPU determines that the system is in an idle state, and reads and writes the fragmented file from and into the SSD in the disk array. When the system is idle, the CPU reads out the file fragments in the disk array into the SSD, and then sequentially writes the files into the disk array, so that the random reading probability is reduced, and the disk array reading speed is increased.
The data sorting flow also comprises the step that the CPU sorts the fragmented files written into the SSD into large files and sequentially writes the large files into the disk array. According to the embodiment, most random reading and writing are converted into sequential reading and writing, and the cache is synchronized during reading and writing, so that the reading and writing speed of the disk array is greatly improved.
In the embodiment, two SSDs form a RAID1 as a data global write cache;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow. Because with RAID1, data 1+1 is backed up, a single SSD failure will not lose data. The data write rate is equal to the write rate of SSD + disk array sequential writes.
Example two
As shown in fig. 1, a high-performance data storage system includes an IO interface, a CPU, and a storage device, where the storage device includes a memory, a disk array, and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; two SSDs are adopted to form a RAID1 and used as a data global write cache; because of the RAID1, data 1+1 backup, a single SSD fails without losing data; since the SSD is just used as a write cache, the SSD capacity does not need to be too large, and the storage capacity of the entire system is mainly provided by the mechanical hard disks constituting the disk array.
When data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
The storage system adopts the memory and the SSD as two-level read cache, so that the data reading rate is memory hit rate, memory bandwidth, SSD hit rate, SSD bandwidth and disk array bandwidth.
Since the system described in this embodiment is a system used for implementing a high-performance data storage method in the embodiment of the present invention, a specific implementation manner and various variations of the system described in this embodiment can be understood by those skilled in the art of the method described in this embodiment, and therefore, a detailed description of how the system implements the method in the embodiment of the present invention is not provided here. The protection scope of the present invention is only the system adopted by those skilled in the art to implement the method in the embodiment of the present invention.
EXAMPLE III
On the basis of the second embodiment, the invention integrates all parts of the system to form a high-performance data storage device, which comprises an IO interface, a CPU and storage equipment, wherein the storage equipment comprises a memory, a disk array and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; the nonvolatile cache adopts 2 SSDs to form RAID1 as a data global write cache; data are backed up, so that the reliability is improved;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
The storage device adopts a memory and an SSD as two-level read caches, so that the data reading rate is memory hit rate, memory bandwidth, SSD hit rate, SSD bandwidth and disk array bandwidth.
Since the apparatus described in this embodiment is an apparatus for implementing a high-performance data storage method in the embodiment of the present invention, a specific implementation manner and various variations of the apparatus described in this embodiment can be understood by those skilled in the art, and therefore, how to implement the method in the embodiment of the present invention by the apparatus is not described in detail herein. The scope of the present invention is intended to encompass any apparatus that can be used by those skilled in the art to practice the methods of the embodiments of the present invention.
It will be apparent to those skilled in the art that embodiments of the present invention may be an article of manufacture of a method, system, or apparatus. While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention. The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for high performance data storage, comprising: a data writing process and a data reading process;
the data writing process comprises the following steps: the IO interface sends a data writing request to the CPU, and the CPU writes data into the memory, the SSD and the disk array respectively;
the data reading process comprises the following steps: and the IO interface sends the data reading request to the CPU, and the CPU reads the data from the memory, the SSD or the disk array and returns the data to the IO interface.
2. A high performance data storage method as claimed in claim 1, wherein: the data writing process comprises the following steps:
the IO interface sends a data writing request to the CPU, and the CPU receives data into the memory firstly;
the CPU writes the data received by the memory to the SSD cache and the disk array at the same time;
and after writing the data into the SSD cache or the disk array, the CPU returns a command that the data is successfully written to the IO interface.
3. A high performance data storage method as claimed in claim 1, wherein: the data reading process comprises the following steps:
after the IO interface sends the data reading request to the CPU, the following operations are executed:
CPU searches whether there is buffer data in memory, if there is buffer data, it returns directly;
the CPU searches whether cache data exist in the SSD or not, and if the cache data exist, the cache data are directly returned;
and the CPU reads data from the disk array and returns the data to the IO interface.
4. A high performance data storage method as claimed in claim 1, wherein: the method also comprises a data sorting process, wherein the data sorting process comprises the steps that the CPU judges that the system is in an idle state, and reads and writes the fragmented files into the SSD from the disk array.
5. A high performance data storage method as claimed in claim 4, wherein: the data sorting flow also comprises the step that the CPU sorts the fragmented files written into the SSD into large files and sequentially writes the large files into the disk array.
6. A high performance data storage method as claimed in any one of claims 1 to 5, wherein: two SSDs are adopted to form a RAID1 and used as a data global write cache;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
7. A high-performance data storage system comprises an IO interface, a CPU and a storage device, and is characterized in that: the storage device comprises a memory, a disk array and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; two SSDs are adopted to form a RAID1 and used as a data global write cache;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
8. A high performance data storage system as claimed in claim 7, wherein: the storage system adopts a memory and an SSD as two-level read cache.
9. A high-performance data storage device comprises an IO interface, a CPU and a storage device, and is characterized in that: the storage device comprises a memory, a disk array and an SSD; the CPU is respectively connected with the IO interface, the memory, the disk array and the SSD; the nonvolatile cache adopts 2 SSDs to form RAID1 as a data global write cache;
when data is written, the CPU controls to directly write the sequential write data into the disk array, the random write data is written into the SSD cache, and the SSD cache bandwidth and the disk array bandwidth share the written data flow.
10. A high performance data storage device in accordance with claim 9, wherein: the storage device adopts a memory and an SSD as two-level read cache.
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| CN115981570A (en) * | 2023-01-10 | 2023-04-18 | 创云融达信息技术(天津)股份有限公司 | Distributed object storage method and system based on KV database |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866162A (en) * | 2004-06-10 | 2006-11-22 | 马维尔国际贸易有限公司 | Cache hierarchy |
| CN101458613A (en) * | 2008-12-31 | 2009-06-17 | 成都市华为赛门铁克科技有限公司 | Method for implementing mixed hierarchical array, the hierarchical array and storage system |
| CN102117248A (en) * | 2011-03-09 | 2011-07-06 | 浪潮(北京)电子信息产业有限公司 | Caching system and method for caching data in caching system |
| CN102262511A (en) * | 2011-06-14 | 2011-11-30 | 苏州市易德龙电器有限公司 | Cache management system and method for RAID (Redundant Array of Independent Disks) |
| CN102779098A (en) * | 2012-06-14 | 2012-11-14 | 国家超级计算深圳中心(深圳云计算中心) | Hybrid caching cooperative adaptive prefetching method, middleware and system |
| CN102945207A (en) * | 2012-10-26 | 2013-02-27 | 浪潮(北京)电子信息产业有限公司 | Cache management method and system for block-level data |
| KR101244001B1 (en) * | 2012-07-02 | 2013-03-15 | 주식회사 태진인포텍 | System architecture based on hybrid raid storage and providing method thereof |
| CN103038755A (en) * | 2011-08-04 | 2013-04-10 | 华为技术有限公司 | Method, Device And System For Caching Data In Multi-Node System |
| CN103645859A (en) * | 2013-11-19 | 2014-03-19 | 华中科技大学 | Disk array caching method for virtual SSD and SSD isomerous mirror image |
| US20140115228A1 (en) * | 2012-10-23 | 2014-04-24 | Vmware, Inc. | Method and system for vm-granular i/o caching |
| CN104090852A (en) * | 2014-07-03 | 2014-10-08 | 华为技术有限公司 | Method and equipment for managing hybrid cache |
| JP2015055878A (en) * | 2013-09-10 | 2015-03-23 | 日本電気株式会社 | Cache control device, cache control method, disk array device and controller of the same, and computer program |
| CN104794070A (en) * | 2015-04-23 | 2015-07-22 | 南京道熵信息技术有限公司 | Solid-state flash memory write cache system and method based on dynamic non-covering RAID technology |
| CN105138292A (en) * | 2015-09-07 | 2015-12-09 | 四川神琥科技有限公司 | Disk data reading method |
| CN106980471A (en) * | 2017-03-27 | 2017-07-25 | 联想(北京)有限公司 | A kind of method and device for the hard disk write performance for improving smart machine |
| US20170286362A1 (en) * | 2016-04-05 | 2017-10-05 | E8 Storage Systems Ltd. | Write cache and write-hole recovery in distributed raid over shared multi-queue storage devices |
| CN107678894A (en) * | 2017-08-31 | 2018-02-09 | 郑州云海信息技术有限公司 | A kind of internal storage testing method, apparatus and system |
| CN108572792A (en) * | 2017-06-13 | 2018-09-25 | 北京金山云网络技术有限公司 | Date storage method, device, electronic equipment and computer readable storage medium |
| CN109144411A (en) * | 2018-07-24 | 2019-01-04 | 中国电子科技集团公司第三十八研究所 | Data center's hybrid magnetic disc array and its data dynamic migration strategy |
-
2019
- 2019-11-25 CN CN201911164000.4A patent/CN110968271B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866162A (en) * | 2004-06-10 | 2006-11-22 | 马维尔国际贸易有限公司 | Cache hierarchy |
| CN101458613A (en) * | 2008-12-31 | 2009-06-17 | 成都市华为赛门铁克科技有限公司 | Method for implementing mixed hierarchical array, the hierarchical array and storage system |
| CN102117248A (en) * | 2011-03-09 | 2011-07-06 | 浪潮(北京)电子信息产业有限公司 | Caching system and method for caching data in caching system |
| CN102262511A (en) * | 2011-06-14 | 2011-11-30 | 苏州市易德龙电器有限公司 | Cache management system and method for RAID (Redundant Array of Independent Disks) |
| CN103038755A (en) * | 2011-08-04 | 2013-04-10 | 华为技术有限公司 | Method, Device And System For Caching Data In Multi-Node System |
| CN102779098A (en) * | 2012-06-14 | 2012-11-14 | 国家超级计算深圳中心(深圳云计算中心) | Hybrid caching cooperative adaptive prefetching method, middleware and system |
| KR101244001B1 (en) * | 2012-07-02 | 2013-03-15 | 주식회사 태진인포텍 | System architecture based on hybrid raid storage and providing method thereof |
| US20140115228A1 (en) * | 2012-10-23 | 2014-04-24 | Vmware, Inc. | Method and system for vm-granular i/o caching |
| CN102945207A (en) * | 2012-10-26 | 2013-02-27 | 浪潮(北京)电子信息产业有限公司 | Cache management method and system for block-level data |
| JP2015055878A (en) * | 2013-09-10 | 2015-03-23 | 日本電気株式会社 | Cache control device, cache control method, disk array device and controller of the same, and computer program |
| CN103645859A (en) * | 2013-11-19 | 2014-03-19 | 华中科技大学 | Disk array caching method for virtual SSD and SSD isomerous mirror image |
| CN104090852A (en) * | 2014-07-03 | 2014-10-08 | 华为技术有限公司 | Method and equipment for managing hybrid cache |
| CN104794070A (en) * | 2015-04-23 | 2015-07-22 | 南京道熵信息技术有限公司 | Solid-state flash memory write cache system and method based on dynamic non-covering RAID technology |
| CN105138292A (en) * | 2015-09-07 | 2015-12-09 | 四川神琥科技有限公司 | Disk data reading method |
| US20170286362A1 (en) * | 2016-04-05 | 2017-10-05 | E8 Storage Systems Ltd. | Write cache and write-hole recovery in distributed raid over shared multi-queue storage devices |
| CN106980471A (en) * | 2017-03-27 | 2017-07-25 | 联想(北京)有限公司 | A kind of method and device for the hard disk write performance for improving smart machine |
| CN108572792A (en) * | 2017-06-13 | 2018-09-25 | 北京金山云网络技术有限公司 | Date storage method, device, electronic equipment and computer readable storage medium |
| CN107678894A (en) * | 2017-08-31 | 2018-02-09 | 郑州云海信息技术有限公司 | A kind of internal storage testing method, apparatus and system |
| CN109144411A (en) * | 2018-07-24 | 2019-01-04 | 中国电子科技集团公司第三十八研究所 | Data center's hybrid magnetic disc array and its data dynamic migration strategy |
Non-Patent Citations (2)
| Title |
|---|
| 李元章;孙志卓;马忠梅;郑军;谭毓安;: "S-RAID5:一种适用于顺序数据访问的节能磁盘阵列", 计算机学报, no. 06 * |
| 陈志广;肖侬;刘芳;杜溢墨;: "一种用磁盘备份SSD的高性能可靠存储系统", 计算机研究与发展, no. 01 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115981570A (en) * | 2023-01-10 | 2023-04-18 | 创云融达信息技术(天津)股份有限公司 | Distributed object storage method and system based on KV database |
| CN115981570B (en) * | 2023-01-10 | 2023-12-29 | 创云融达信息技术(天津)股份有限公司 | Distributed object storage method and system based on KV database |
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